Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's wintry 0.4°C (32.7°F) to a freezing cold -3.2°C (26.2°F). December brings an average low-temperature of -12.7°C (9.1°F) to Castasegna.Humidity
In Castasegna, the average relative humidity in December is 87%.Rainfall
In Castasegna, in December, during 2.6 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Castasegna, there are 139.9 rainfall days, and 641mm (25.24") of precipitation is accumulated.Snowfall
Months with snowfall in Castasegna are January through June, September through December. In Castasegna, in December, during 12.9 snowfall days, 250mm (9.84") of snow is typically accumulated. In Castasegna, during the entire year, snow falls for 97.2 days and aggregates up to 1956mm (77.01") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Castasegna.On the first day of the month, sunrise is at 07:44 and sunset at 16:37. On the last day of December, in Castasegna, sunrise is at 08:05 and sunset at 16:45 CET.
Sunshine
In Castasegna, the average sunshine in December is 4.7h.UV index
In Castasegna, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Castasegna?
What is the average humidity in December in Castasegna?
How much does it rain in Castasegna in December?
How much does it snow in Castasegna in December?
What is the month with the shortest days in Castasegna?
How many hours of daylight does Castasegna have in December?
When are sunrise and sunset in December in Castasegna?
How long on average sun shines in December in Castasegna?
What is the UV index intensity in December in Castasegna?
Average temperature in December
Castasegna, Switzerland
- Average high temperature in December: -3.2°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in December: -12.7°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in December
Castasegna, Switzerland
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Castasegna, Switzerland
- Average wind speed in December: 9.9km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in December
Castasegna, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall in December
Castasegna, Switzerland
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Castasegna, Switzerland
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in December
Castasegna, Switzerland
- Average snowfall in December: 250mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Castasegna, Switzerland
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Castasegna, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in December
Castasegna, Switzerland
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in December
Castasegna, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover in December
Castasegna, Switzerland
- Average cloud cover in December: 52
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in December
Castasegna, Switzerland
- Average visibility in December: 7km
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
Castasegna, Switzerland
Weather forecast for your location
2. Allow the app to use your location
